AUTHOR=Zanin Massimiliano , Papo David TITLE=Studying Attacks to Information Systems Using Functional Networks JOURNAL=Frontiers in ICT VOLUME=2 YEAR=2015 URL=https://www.frontiersin.org/journals/ict/articles/10.3389/fict.2015.00018 DOI=10.3389/fict.2015.00018 ISSN=2297-198X